Variation in Populations

What do you already know about variation in a population?

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Which of the following are true regarding the term 'variation'? (select multiple answers)

• reason why a population looks similar

• determined by genes and the environment

• differences in characteristics or traits within a population

• only determined by differences in genes within a population

What are alleles?

• proteins that are made in cellular ribosomes

• traits that appear in a population

• DNA that is tightly wrapped into Chromosomes

• different versions of a gene

In which population (represented by circles) will natural selection most likely take place?

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Genetics and the environment can impact variation within a population. Which of the following traits in humans are only impacted by genetics? (select multiple answers)

• muscle size

• eye color

• blood type

• hair length

Summarize what you learned about variance within a population and how it is related to natural selection.

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